OpenTechnical

OT-2026-000099870

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000099870) never changes.

Identity and time

Publication numberOT-2026-000099870 · never reused
Internal UUID01a0aea3-1473-76ba-9618-c74379699a7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099870
StatusPUBLIC

Content hashes

Canonical text74508873773c0a417f10eeaee27c26642d8074438fc939c5b6321606d05c1aea
Markdowndc137542099755aa0f00c8c67bb4ce7f9cb5e9f3d98617ccb133b6c4686febd6
PDF
Publication page92b14a5bf00a2969ba77eb7761f4ba3686ff755033b4aeef1982aa1c47c3e31d
Manifest670dd29472afdb5757a832814c597c05712dde756a2bc02021cddd31b06f6738

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturenuoBDQBtUeLZjn8FTNTLEBDlrPTZIHie7/lJiZ7lShHMGKMSfWdsb89/dfZc7qNa2HbedPAwXnPGOSeeAtyqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:29.757368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099870
observed 92b14a5bf00a2969ba77eb7761f4ba36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.738294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099870/manifest.json
observed 670dd29472afdb5757a832814c597c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.719014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099870/publication.md
observed dc137542099755aa0f00c8c67bb4ce7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.699001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099870/publication.txt
observed 74508873773c0a417f10eeaee27c2664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.484077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099870
observed 92b14a5bf00a2969ba77eb7761f4ba36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.464294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099870/manifest.json
observed 670dd29472afdb5757a832814c597c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.442935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099870/publication.md
observed dc137542099755aa0f00c8c67bb4ce7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.423089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099870/publication.txt
observed 74508873773c0a417f10eeaee27c2664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.